Cop



Jan. 30, 1923..

J, 0. McKEAN;

CoP. FILED OCT. 20. 1921,.

l atenteol Jan. 39, 1923:.

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JOHN o scnnsn, or wnsrrinnn, rrsssnonnsnrrs, Assrenon To rosrnn MACHINE oonrsnr, or w'ssrrrnrn, MASSACHUSETTS, A CORPORATION or MASSACHUSETTS.

COP.

Application filed October 20, 1921. Serial No. 509,045.

To all whom it may concern. 7

Be it known that 1, JOHN O. MoKniiN, a

citizen of the United States, and resident of lh estiield, in the county of Hampdcn and State or lllassachnsetts, have invented a new and useful Improvement in Cops, of? which the following is a specification.

smaller end in a steeper taper, the layers or coils which run from end to end of the cop being substantially parallel with the gradual and steeper tapers respectively of both the cop and cone, the cop having substantially concentric convex and concave larger and smaller ends ;whereby the layers or coils of yarn will be drawn from end to end of the cop instead of progressively along the cop. The cop produced according to my invention obviates all tendency of the yarn to come off the cop in coils or snarls. A greater yardage with an ample clearance and a very free run of the yarn may also be obtained. The cop alsohas a firmer nose and is less liable to get injured or distorted, and when the cop is nearly unwound from its cone the coils will cling to the cone.

A practical. embodiment of-niy invention is represented in the accompanying drawings, in which Fig. 1 represents a diagrammatic view showing the outline of myimpmved double tapered cop.

Fig. 2 represents the cop in longitudinal central. section. the double taper coneand the driving roll being shown in side elevation, and the layers or coils of yarn being represented by dotted lines.

Fig. 3 represents the double cop cone in its operative relationship to the driving roll before the cop is wound.

The driving roll is herein shown as comprising the cylindrical member 1 and the flaring member 2, both mounted on suitable supporting shaft The double taper cone which is herein illustrated the support for the cop has a gradual taper as shown at 4,

permits the winding of the cop terminating at its smaller end steeper taper as shown at 5.

The wound cop s shown as provided with or nose in a i a gradi'ial taper as shown at 6,terminating its smaller end'in a steeper taper as shown at '7, the cop having substantial concentric convex and concave larger and smaller ends as'shown at 8 and 9 respectively.

The layers or coils of yarn represented by the dotted lines in Fig. 2 extend the entire length of the cop substantially parallelwith the gradual and steeper tapers of the cop and cone so that the yarn willbe unwound from end to end of the cop as distinguished from those cops where the yarn is unwound from relatively steep coniform, layers which extendonly partway the length of the cop.

It will be noted that in the winding machine the gradual taper l of the cop cone is opposite the cylindrical member 1 of the driving roll and the steeper taper 5 of the cop cone is opposite the flaring member 2 of the driving roll. This arrangement of the driving roll and double taper cop cone so as to produce the gradual taper 6 and steeper taper 7, the yarn being slightly more compact at the smaller .end or nose of the cop than at its larger end, due to the building up of the cop which swings in an arc. This results in a firmer nose for the cop.

This application is a continuation in part of my co-pending application filed September 25, 1920, Serial No. 412699.

What I claim is I l. A cop having. a gradual taper terminting at its smaller end in. a steeper taper, the yarn layers or coils extending the entire. length of the cops 2. A cop havin a. gradual taper terurinat ing at its smaller end in a steeper taper, the yarn layers or coils extending the entire length of the cop substantially parallel to the gradual and steeper tapers respectively.

3. A cop having a gradual taper terminating at its smaller end in a. steeper taper, thecop havingsubstantially concentric convcx and concave larger and smaller ends, and the yarn layers or coils extending the entire length of the cop.

l. A cop having a gradual taper terminating at its smaller end in a steeper taper, the cop having substantially concentric convex and concave larger and smaller ends, and the length of the cop, the yarn at the smaller end parallel to entire of the cop being more compact than at the larger end thereof.

tively. In testimony, that I claim the foregoing 10 termias my invention, I have signed my name this taper, 13th day of 0013., 1921. entire JOHN 0. Mo KEAN. 

